The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 1999
Filed:
Mar. 20, 1997
Applicant:
Inventors:
Hans Biebuyck, Thalwil, CH;
Eliav Haskal, Zurich, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438 99 ; 438 15 ; 438 26 ; 438127 ;
Abstract
An organic light emitting device (10) is provided which is encapsulated by a Siloxane buffer layer (17.1). This Siloxane buffer layer (17.1) is applied to the diode (10) providing for protection against contamination, degradation, oxidation and the like. The Siloxane buffer layer (17.1) carries at least a second encapsulation layer (17.2).